Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2021   07:13:22   (  -0.00,-137.20) (   0.45,-134.99)  250.81                80
 07/21/2021   19:31:58   (   0.00,-137.21) (   0.63,-140.15)  334.93                80
 07/23/2021   19:22:28   (   0.01,-137.19) (  -0.01,-137.20)    2.19                80
 07/25/2021   19:10:18   (  -0.00,-137.18) (  -0.65,-134.25)  334.01                80
 07/26/2021   07:29:02   (   0.01,-137.17) (  -0.49,-139.43)  257.89                80
 07/28/2021   07:19:32   (   0.02,-137.15) (   0.15,-136.48)   76.20                80
 07/30/2021   07:07:22   (   0.02,-137.13) (   0.80,-133.53)  410.24                80
 07/30/2021   19:25:58   (  -0.02,-137.13) (   0.29,-138.69)  175.95                80
 08/01/2021   19:16:27   (  -0.01,-137.11) (  -0.30,-135.72)  157.46                80
 08/02/2021   07:37:51   (   0.01,-137.09) (  -0.83,-140.91)  434.30                80